package com.kuang.dao;

import com.kuang.pojo.Department;
import com.kuang.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

/**
 * Author: Zhang Dongwei
 * Date: 2022/7/25 18:21
 */
//员工dao
@Repository
public class EmployeeDao {
//    模拟数据口中的数据
    private static Map<Integer, Employee> employees = null;
//    员工有所属的部门
    @Autowired
    private DepartmentDao departmentDao;

    static {
        employees = new HashMap<Integer, Employee>();  // 创建一个部门表

        employees.put(1001, new Employee(1001, "AA", "123451A@qq.com",0, new Department(101, "教学部")));
        employees.put(1002, new Employee(1002, "BB", "123452B@qq.com",1, new Department(102, "市场部")));
        employees.put(1003, new Employee(1003, "CC", "123453C@qq.com",0, new Department(103, "教研部")));
        employees.put(1004, new Employee(1004, "DD", "123454D@qq.com",1, new Department(104, "运营部")));
        employees.put(1005, new Employee(1005, "EE", "123455E@qq.com",0, new Department(105, "后勤部")));
    }

//    主键自增
    private static Integer initId = 1006;
//    增加一个员工
    public void save(Employee employee){
        if(employee.getId() == null){
            employee.setId(initId++);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(), employee);
    }

//    查询全部员工信息
    public Collection<Employee>getAll(){
        return employees.values();
    }

//  通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }

//    通过id删除员工
    public void delete(Integer id){
        employees.remove(id);
    }


}
